﻿#region Copyright (c) 2003 - 2008, Andreas Mueller
/////////////////////////////////////////////////////////////////////////////////////////
// 
// Copyright (c) 2003 - 2008, Andreas Mueller.
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// which accompanies this distribution, and is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// Contributors:
//    Andreas Mueller - initial API and implementation
//
// 
// This software is derived from software bearing the following
// restrictions:
// 
// Copyright (c) 1994
// Hewlett-Packard Company
// 
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation.  Hewlett-Packard Company makes no
// representations about the suitability of this software for any
// purpose.  It is provided "as is" without express or implied warranty.
// 
// 
// Copyright (c) 1996,1997
// Silicon Graphics Computer Systems, Inc.
// 
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation.  Silicon Graphics makes no
// representations about the suitability of this software for any
// purpose.  It is provided "as is" without express or implied warranty.
// 
// 
// (C) Copyright Nicolai M. Josuttis 1999.
// Permission to copy, use, modify, sell and distribute this software
// is granted provided this copyright notice appears in all copies.
// This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
// 
/////////////////////////////////////////////////////////////////////////////////////////
#endregion
using NStl.Iterators.Support;
using NStl.Linq;
using NUnit.Framework;
using System.Collections;
using System.Collections.Generic;

namespace NStl.NUnit.AlgorithmFixtures.Transform
{
    [TestFixture]
    public class UnaryTransformFixture : AlgorithmBaseFixture
    {
        private static List<int> src;
        private static LinkedList<float> target;
        protected static readonly IUnaryFunction<int, float> int2single =
            Functional.PtrFun<int, float>(i => i);

        public override void NonSuccessfullPass()
        {
            throw new System.Exception("The method or operation is not implemented.");
        }
        [SetUp]
        public void SetUp()
        {
            src = new List<int>{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
            target = new LinkedList<float>();            
            target.Resize(src.Count);
        }
        [Test]
        public override void SuccessfullPass()
        {
            LinkedListIterator<float> endOfInsertion = 
                Algorithm.Transform(src.Begin(), src.End(),
                                    target.Begin(), int2single);

            ICollection actual   = target.Begin().AsCollection(endOfInsertion);
            ICollection expected = new[] {0f, 1f, 2f, 3f, 4f, 5f, 6f, 7f, 8f, 9f};

            CollectionAssert.AreEqual(expected, actual);
        }
        //[Test]//can just fail with an exception

        [Test]
        public override void StartIteratorIsEqualToEndIterator()
        {
            LinkedListIterator<float> endOfInsertion =
                Algorithm.Transform(src.Begin(), src.Begin(),
                                    target.Begin(), int2single);

            ICollection actual = target.Begin().AsCollection(endOfInsertion);

            CollectionAssert.IsEmpty(actual);
        }
    }
}
